JP3690664B2 - Wet dust removal air filter device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wet dust removal air filter device.
[0002]
[Prior art]
Conventionally, an air filter device is used in various fields in order to capture dust in the air.
For example, it is installed on the outside air intake side of an external air conditioner of an air conditioning system and captures dust in the air to be taken in. In clean rooms such as semiconductor manufacturing factories, foods, and pharmaceutical factories, dust in the air discharged from the clean room In the biochemical factory, dust in the air discharged from the antibiotic manufacturing process or the like is captured.
[0003]
In this type of air filter device, when dust in the air is trapped by the filter medium, the filter medium is clogged, so that the filter medium is regenerated.
[0004]
[Problems to be solved by the invention]
For the regeneration of the filter medium, replacement of the filter medium, removal of dust trapped in the filter medium, and the like are known.
However, the replacement of the filter medium is not applicable in, for example, semiconductor manufacturing factories, foodstuffs, pharmaceutical factories, biochemical factories, etc., which require continuous operation for 24 hours, because it is necessary to stop the operating apparatus.
Further, in order to remove dust trapped by the filter medium, a method of sucking and regenerating dust captured by a vacuum cleaner is known.
[0005]
According to this removal method, it is possible to regenerate the operating device without stopping it.
However, in the regeneration by the vacuum cleaner, there is a possibility that dust trapped in the filter medium during the regeneration process may be scattered in the air flow due to vibration by the vacuum cleaner.
In addition, the vacuum cleaner cannot reliably remove the dust trapped by the filter medium, so that there is a problem that clogging is likely to occur after the regeneration process, and the frequency of the regeneration process is high.
[0006]
Moreover, since the dust captured by the vacuum cleaner is fine and dry, the work of processing is troublesome.
Moreover, since the installation and power for driving a vacuum cleaner are required, there exists a problem that an installation cost and a running cost become high.
The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a wet dust removing air filter device capable of reliably collecting dust trapped in a filter medium. .
[0007]
[Means for Solving the Problems]
The invention according to claim 1, and the air filter element for foreign matter removing the disposed in the height direction of the air filter element at predetermined intervals, a plurality of nozzle spraying water to the air filter element, the air filter element multiple located below, a water reservoir for storing water spray water flows down the air filter member, and waterways to contact with said water reservoir plurality of nozzle sections, provided in the water channel, the water in the water reservoir portion And a filter provided in the water channel and capturing foreign matter removed from the air filter member, and the air filter member has the air on the side facing the plurality of nozzle portions. The water stop member which receives the water which passed the filter member is arrange | positioned, It is characterized by the above-mentioned.
[0008]
Invention, and the air filter element for foreign body removal, are arranged at predetermined interrogation intervals in the height direction of the air filter member, and a plurality of nozzle spraying water to the air filter element, the air filter element according to claim 2 water located below, and waterways to contact a water reservoir for storing water spray water flows down the air filter element, and said water reservoir and said plurality of nozzle sections, provided in the water channel, the water reservoir portion And a filter that is provided in the water channel and captures foreign matter removed from the air filter member, and the air filter member has a side facing the plurality of nozzle portions. In addition, a gutter member for receiving water that has passed through the air filter member is disposed .
[0009]
The invention according to claim 3 includes an air filter member for removing foreign matter, and a plurality of nozzle portions that are arranged at predetermined intervals in the height direction of the air filter member, and include nozzle groups that spray water on the air filter member; Located in the lower part of the air filter member, a water reservoir part for storing water sprinkled down the air filter member, a water channel connecting the water reservoir part and the plurality of nozzle parts, and provided in the water channel, A pump that sends water in the water reservoir to a plurality of nozzles, a filter that is provided in the water channel and captures foreign matter removed from the air filter member, and an electromagnetic valve that is individually provided in the plurality of nozzles, And a control unit that outputs an on-off valve command to the electromagnetic valve so that the plurality of nozzle units spray water sequentially from the upper part to the lower part in the height direction of the air filter member .
[0010]
According to a fourth aspect of the present invention, in the wet dust removal air filter device according to the third aspect, the air filter member includes a water stop member that receives water that has passed through the air filter member on a side facing the plurality of nozzle portions. Is arranged .
According to a fifth aspect of the present invention, in the wet dust-removing air filter device according to the first or fourth aspect, the water stop member is constituted by a plate member that is inclined to the left and right sides with the center portion as a boundary. Water is guided to the left and right ends of the air filter member, and is guided to the water reservoir without passing through the air filter member below the water stop member .
[0011]
The invention according to claim 6 is the wet dust removal air filter device according to claim 3, wherein the air filter member receives the water that has passed through the air filter member on a side facing the plurality of nozzle portions. Is arranged .
The invention according to claim 7 is the wet dust-removing air filter device according to claim 2 or 6, wherein the eaves member guides the received water to the left and right ends of the air filter member, and It guides to the water reservoir without passing through the air filter member .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on embodiments shown in the drawings.
1 and 2 show a wet dust removal air filter device 10 according to the first principle of the present invention .
An air filter member 11 for removing foreign substances is installed in a box-shaped container 12.
The air filter member 11 for removing foreign substances is formed, for example, by supporting and fixing a plate-shaped filter medium 11a made of a SUS wire or the like with a frame member 11b.
[0014]
The box-shaped container 12 is made of, for example, a SUS material, and the windward side 12a and the leeward side 12b are opened.
Three sets of a plurality of nozzle portions 13A, 13B, and 13C that spray water on the air filter member 11 are arranged on the leeward side of the air filter member 11. Here, as the nozzle portions 13A, 13B, and 13C, spray nozzles having high straightness are desirable.
[0015]
The three sets of nozzle portions 13A, 13B, and 13C are arranged at predetermined intervals in the height direction of the air filter member 11.
The three sets of the plurality of nozzle portions 13A, 13B, and 13C are attached to water pipes 14A, 14B, and 14C that are suspended from the ceiling portion 12c of the box-shaped container 12.
A water reservoir 15 is installed below the air filter member 11. The water reservoir 15 serves as a water source for accumulating water sprinkled down the air filter member 11 and for circulating the water accumulated through a water channel 17 described later.
[0016]
The water channel 17 communicates the water reservoir 15 with the three sets of nozzle portions 13A, 13B, and 13C. Water pipes 14A, 14B, and 14C to which the three sets of the plurality of nozzle portions 13A, 13B, and 13C are attached communicate with the electromagnetic valves 23A, 23B, and 23C.
The electromagnetic valves 23A, 23B, and 23C communicate with a control unit 25 that outputs an on-off valve command.
[0017]
The water channel 17 is provided with a pump 19 and a filter 21.
The filter 21 is for catching foreign matters such as dust and solids removed by water sprayed from the three sets of the plurality of nozzle portions 13A, 13B, and 13C toward the air filter member 11.
Next, the operation of the wet dust removing air filter device 10 according to the first principle explanation thus configured will be described.
[0018]
First, water is poured from a water source (not shown) into the water reservoir 15 to obtain a predetermined water level.
Next, the pump 19 is driven to feed the water in the water reservoir 15 to the three sets of nozzles 13A, 13B, and 13C via the water channel 17.
Next, the control unit 25 controls the electromagnetic valves 23A, 23B, and 23C so that the three nozzle units 13A, 13B, and 13C sequentially sprinkle from the top to the bottom of the air filter member 11 in the height direction. Open / close valve command is output.
[0019]
For example, a first command to a third command are sequentially issued from the control unit 25 to the electromagnetic valves 23A, 23B, and 23C.
First command: The upper nozzle portion 13A is opened, and the middle nozzle portion 13B and the lower nozzle portion 13C are closed.
Second command: The upper nozzle portion 13A is closed, the middle nozzle portion 13B is opened, and the lower nozzle portion 13C is closed.
[0020]
Third command: The upper nozzle portion 13A is closed, the middle nozzle portion 13B is closed, and the lower nozzle portion 13C is opened.
Thus, water is sprayed sequentially from the nozzle portions 13A, 13B, and 13C toward the air filter member 11.
On the other hand, the air taken in from the windward side as shown by the arrow is sent out to the leeward side where dust and solids are removed by the air filter member 11.
[0021]
Since the air filter member 11 is sequentially sprinkled with water from the nozzle portions 13A, 13B, and 13C as described above, dust and solid matter captured by the filter medium 11a of the air filter member 11 are shown in FIG. Thus, it is sent into the water reservoir 15 together with the water flowing down from the upper part to the lower part of the filter medium 11a.
Dust and solid matter that flow down into the water reservoir 15 are sent out to the filter 21 by the pump 19 and captured by the filter 21.
[0022]
Therefore, the circulating water sent to the solenoid valves 23A, 23B, and 23C contains almost no dust or solid matter.
As described above , the wet dust-removing air filter device 10 according to the description of the first principle includes the air filter member 11 for removing foreign matter and a predetermined interval in the height direction of the air filter member 11 on the leeward side of the air filter member 11. The three nozzle portions 13A, 13B, and 13C that are arranged in the air filter member 11 and sprinkle water on the air filter member 11, and a water reservoir portion that is located below the air filter member 11 and that stores the sprinkled water flowing down the air filter member 11. 15 and a water channel 17 that communicates the water reservoir 15 with the three sets of nozzle portions 13A, 13B, and 13C, and the water in the water reservoir 15 provided in the water channel 17 and three sets of the plurality of nozzle portions 13A. , 13B, 13C, a pump 19 provided in the water channel 17, and a filter 21 for capturing foreign matter removed from the air filter member 11, and three sets of a plurality of nozzle portions 13A. Since the electromagnetic valves 23A, 23B, and 23C provided individually for the 13B and 13C and the control unit 25 that outputs the opening / closing valve commands to the electromagnetic valves 23A, 23B, and 23C are provided. When the solid matter is captured by the air filter member 11, dust and solid matter captured by the water spray sequentially ejected by the three sets of the plurality of nozzle portions 13A, 13B, and 13C flow toward the water reservoir 15, and the air The dust and solids in the air can be removed without stopping on the filter member 11 and in a state where the air filter member 11 is always regenerated.
[0023]
Therefore, it is possible to regenerate the air filter member 11 without increasing the ventilation resistance despite sprinkling water on the air filter member 11.
In addition, since the removed dust and solid matter are captured by the filter 21 provided in the water channel 17, the dust and solid matter can be removed from the filter 21, and the operation is not stopped.
Further, in the description of the first principle , since water is sprayed from the leeward side toward the air filter member 11, the trapped dust and solid matter flow down to the windward side of the air filter member 11 and erroneously flow into the leeward side. There is no risk.
[0024]
Further, in the description of the first principle , since the three sets of the plurality of nozzle portions 13A, 13B, and 13C are sprayed from the diagonally upward toward the air filter member 11, it is effective when the captured dust or solid matter is large. Can be removed.
In the above description of the first principle , the case where water is sprayed in order by the three sets of the plurality of nozzle portions 13A, 13B, and 13C has been described, but the number of stages may be two or four or more.
[0025]
Further, the mounting angles of the nozzle portions 13A, 13B, and 13C are arbitrary and can be appropriately changed according to the purpose of use.
The control unit 25 includes a microprocessor, a sequencer, a timer, and the like, but can be changed as appropriate according to the purpose of use.
In addition, pressure gauges may be installed before and after the air filter member 11, and when the differential pressure is generated, the pump 19 may be driven to spray water from the nozzle portions 13 </ b> A, 13 </ b> B, 13 </ b> C to the air filter member 11.
[0026]
In this case, water is sprayed only at the time of regeneration without always spraying water.
FIG. 3 shows a wet dust removal air filter device 30 according to the second principle of the present invention .
This second principle described, three sets of a plurality of nozzle sections 13A, 13B, the 13C in that installed to the air filter member 11 to wind the following side, the wet dust removing air filter device 10 according to the second principle described Is different.
[0027]
In the second principle description , the same effects as the second principle description can be obtained.
FIG. 4 shows a wet dust removal air filter device 40 according to the third principle of the present invention .
The third principle explanation is different from the wet dust removal air filter device 10 according to the first principle explanation in that three sets of a plurality of nozzle portions 13A, 13B, 13C are installed in a direction perpendicular to the air filter member 11. To do.
[0028]
Further, wide-angle spray nozzles are employed as the three sets of the nozzle portions 13A, 13B, and 13C.
In the present embodiment, since the three sets of the plurality of nozzle portions 13A, 13B, and 13C are installed in the vertical direction with respect to the air filter member 11, it is suitable for relatively fine dust as compared with the first embodiment.
[0029]
Other functions and effects are the same as in the first principle description .
FIG. 5 shows a wet dust removal air filter device 50 according to the fourth principle of the present invention .
The fourth principle explanation is different from the wet dust removing air filter device 40 according to the third principle explanation in that three sets of a plurality of nozzle portions 13A, 13B, 13C are installed on the windward side of the air filter member 11.
[0030]
Oite to the fourth principle described can also achieve the same effects as the third principle described.
6 to 8 show a wet dust removal air filter device 60 according to the first embodiment of the present invention (corresponding to claims 1, 4, and 5 ).
[0031]
This embodiment is a wet type according to the first embodiment in that the water stop members 61A, 61B, 61C are disposed on the windward side of the air filter member 11 so as to face the three sets of the nozzle portions 13A, 13B, 13C. It is different from the dust removal air filter device 10.
The water stop members 61A, 61B, and 61C are configured by plate members that incline to the left and right sides with the central portion of the air filter member 11 as a boundary.
[0032]
In the present embodiment, the water sprayed from the three sets of the nozzle portions 13A, 13B, and 13C passes through the air filter member 11, and then is prevented from advancing by the water stop members 61A, 61B, and 61C. And flows down to the lower water reservoir 15 through the filter frame 11B. Therefore, the waste water containing the upper dust does not contaminate the filter medium of the lower air filter member 11.
[0033]
Other functions and effects are the same as in the first principle description .
FIG. 9 shows a wet dust removal air filter device 70 according to the second embodiment of the present invention (corresponding to claims 1, 4 and 6 ).
In the present embodiment, three sets of a plurality of nozzle portions 13A, 13B, 13C are arranged on the windward side of the air filter member 11, and the water stop members 71A, 71B, 71C are installed on the windward side of the air filter member 11. Thus, it is different from the wet dust removal air filter device 60 according to the fifth embodiment.
[0034]
The water stop members 71A, 71B, 71C are configured similarly to the water stop members 61A, 61B, 61C in the first embodiment.
Also in this embodiment, the same operational effects as in the first embodiment can be achieved.
FIG. 10 shows a wet dust removal air filter device 80 according to a third embodiment of the present invention (corresponding to claim 2, claim 4, claim 6 and claim 7 ).
[0035]
This embodiment is a wet dust removal according to the third embodiment in that the flange members 81A, 81B, 81C are installed on the windward side of the air filter member 11 so as to face the three sets of nozzle portions 13A, 13B, 13C. This is different from the air filter device 40.
In the present embodiment, the water sprayed from the three sets of the plurality of nozzle portions 13A, 13B, and 13C passes through the air filter member 11, and then is prevented from advancing by the flange members 71A, 71B, and 71C. It flows toward the end and flows down to the lower water reservoir 15 through the filter frame 11B. Therefore, the waste water containing the upper dust does not contaminate the filter medium of the lower air filter member 11.
[0036]
Other functions and effects are the same as those of the second embodiment.
FIG. 11 shows a wet dust removal air filter device 90 according to a fourth embodiment of the present invention (corresponding to claims 2, 4, 6, and 7 ).
In the present embodiment, three sets of a plurality of nozzle portions 13A, 13B, 13C are arranged on the windward side of the air filter member 11, and the flange members 91A, 91B, 91C are installed on the leeward side of the air filter member 11, This is different from the wet dust removal air filter device 80 according to the third embodiment.
[0037]
In the present embodiment, the same operational effects as those of the second embodiment can be obtained.
[0038]
【The invention's effect】
As described above, according to the present invention, dust and solid matter trapped by the air filter member due to water spraying from the nozzle part flows down toward the water reservoir, and does not stop at the air filter member. Since dust and solids in the air can be removed while the member is regenerated, it is suitable as a dust removing device for various devices that are operated continuously for 24 hours.
Further, since the removed dust and solid matter are captured by a filter provided in the water channel, the removal is easy and the operation of the dust removing device is not stopped.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing a wet dust removing air filter device according to the first principle of the present invention.
FIG. 2 is a diagram for explaining the operation of the main part in FIG. 1;
FIG. 3 is an explanatory view showing a wet dust removal air filter device according to the second principle of the present invention.
FIG. 4 is an explanatory view showing a wet dust removal air filter device according to the third principle of the present invention.
FIG. 5 is an explanatory view showing a wet dust removing air filter device according to the fourth principle of the present invention.
FIG. 6 is an explanatory view showing a wet dust removal air filter device according to the first embodiment of the present invention.
7 is a diagram for explaining a main part of the wet dust removal air filter device of FIG. 6;
FIG. 8 is an explanatory view showing a main part of the wet dust removal air filter device of FIG. 7;
FIG. 9 is an explanatory view showing a wet dust removal air filter device according to a second embodiment of the present invention.
FIG. 10 is an explanatory view showing a wet dust removal air filter device according to a third embodiment of the present invention.
FIG. 11 is an explanatory view showing a wet dust removal air filter device according to a fourth embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10, 30, 40, 50, 60, 70, 80, 90 Wet dust removal air filter apparatus 11 Air filter member 11a Filter medium 11b Frame member 12 Box-shaped container 13A, 13B, 13C Nozzle part 15 Water reservoir part 17 Water channel 19 Pump 21 Filter 23A, 23B, 23C Solenoid valve 25 Control unit 61A, 61B, 61C, 71A, 71B, 71C Water stop member 81A, 81B, 81C, 91A, 91B, 91C

Claims (7)

An air filter member for removing foreign matter,
Wherein arranged in the height direction of the air filter element at predetermined intervals, a plurality of nozzle spraying water to the air filter element,
A water reservoir that is located below the air filter member and that stores water sprinkled down the air filter member;
A water channel connecting the water reservoir and the plurality of nozzles;
A pump that is provided in the water channel and sends water in the water reservoir to a plurality of nozzles;
A filter provided in the water channel and capturing foreign matter removed from the air filter member ,
A wet dust-removing air filter device , wherein the air filter member is provided with a water stop member that receives water that has passed through the air filter member on a side facing the plurality of nozzle portions . An air filter member for removing foreign matter,
Wherein are arranged at predetermined interrogation intervals in the height direction of the air filter member, and a plurality of nozzle spraying water to the air filter element,
A water reservoir that is located below the air filter member and that stores water sprayed down the air filter member;
A water channel connecting the water reservoir and the plurality of nozzles;
A pump that is provided in the water channel and sends water in the water reservoir to the plurality of nozzles;
A filter provided in the water channel for capturing foreign matter removed from the air filter member;
With
A wet dust-removing air filter device , wherein the air filter member is provided with a gutter member that receives water that has passed through the air filter member on a side facing the plurality of nozzle portions . An air filter member for removing foreign matter,
A plurality of nozzle portions that are arranged at predetermined intervals in the height direction of the air filter member, and include nozzle groups that spray water on the air filter member;
A water reservoir that is located below the air filter member and that stores water sprayed down the air filter member;
A water channel connecting the water reservoir and the plurality of nozzles;
A pump that is provided in the water channel and sends water in the water reservoir to a plurality of nozzles;
A filter provided in the water channel and capturing foreign matter removed from the air filter member;
Solenoid valves individually provided in the plurality of nozzle portions;
A control unit that outputs an on-off valve command to the solenoid valve so that the plurality of nozzle units spray water sequentially from an upper part to a lower part in the height direction of the air filter member;
Wet dust air filter device characterized by comprising a. In the wet dust removal air filter device according to claim 3 ,
A wet dust-removing air filter device , wherein the air filter member is provided with a water stop member that receives water that has passed through the air filter member on a side facing the plurality of nozzle portions . In the wet dust removal air filter device according to claim 1 or 4,
The water stop member is constituted by a plate member that is inclined to the left and right sides with a central portion as a boundary, guides the received water to the left and right ends of the air filter member, and the air filter member below the water stop member is A wet dust-removing air filter device, which is guided to the water reservoir without passing through . In the wet dust removal air filter device according to claim 3 ,
The wet dust removing air filter device , wherein the air filter member is provided with the gutter member for receiving water that has passed through the air filter member on a side facing the plurality of nozzle portions . In the wet dust removal air filter device according to claim 2 or 6,
The wet-type dust removing air filter device , wherein the eaves member guides the received water to the left and right ends of the air filter member and guides the water to the water reservoir without passing through the air filter member under the eaves member .

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